Mix Titanium
White very stiff ( straight from the pot without much water.)
Load your no2 sable brush with the Titanium White and using the
point of the brush paint in the five main arteries. As you come
to a point on the leaf, gradually, smoothly and carefully lift
the brush away from tha surface of the paper and the white line
will become thinner and taper as it does on a real leaf.
